diff --git a/SourceGen/RuntimeData/Atari/Lynx.sym65 b/SourceGen/RuntimeData/Atari/Lynx.sym65
new file mode 100644
index 0000000..0db7edc
--- /dev/null
+++ b/SourceGen/RuntimeData/Atari/Lynx.sym65
@@ -0,0 +1,274 @@
+; See the LICENSE.txt file for distribution terms (Apache 2.0).
+;
+; Source: cc65-2.17 asminc/lynx.inc, by Shawn Jefferson (BSD license)
+
+*SYNOPSIS Atari Lynx ROM locations
+
+;
+; *** Suzy Addresses ***
+;
+
+; Sprite Control Block
+TMPADRL     @ $FC00
+TMPADRH     @ $FC01
+TILTACUML   @ $FC02
+TILTACUMH   @ $FC03
+HOFFL       @ $FC04
+HOFFH       @ $FC05
+VOFFL       @ $FC06
+VOFFH       @ $FC07
+VIDBASL     @ $FC08
+VIDBASH     @ $FC09
+COLLBASL    @ $FC0A
+COLLBASH    @ $FC0B
+VIDADRL     @ $FC0C
+VIDADRH     @ $FC0D
+COLLADRL    @ $FC0E
+COLLADRH    @ $FC0F
+SCBNEXTL    @ $FC10
+SCBNEXTH    @ $FC11
+SPRDLINEL   @ $FC12
+SPRDLINEH   @ $FC13
+HPOSSTRTL   @ $FC14
+HPOSSTRTH   @ $FC15
+VPOSSTRTL   @ $FC16
+VPOSSTRTH   @ $FC17
+SPRHSIZL    @ $FC18
+SPRHSIZH    @ $FC19
+SPRVSIZL    @ $FC1A
+SPRVSIZH    @ $FC1B
+STRETCHL    @ $FC1C
+STRETCHH    @ $FC1D
+TILTL       @ $FC1E
+TILTH       @ $FC1F
+SPRDOFFL    @ $FC20
+SPRDOFFH    @ $FC21
+SPRVPOSL    @ $FC22
+SPRVPOSH    @ $FC23
+COLLOFFL    @ $FC24
+COLLOFFH    @ $FC25
+VSIZACUML   @ $FC26
+VSIZACUMH   @ $FC27
+HSIZOFFL    @ $FC28
+HSIZOFFH    @ $FC29
+VSIZOFFL    @ $FC2A
+VSIZOFFH    @ $FC2B
+SCBADRL     @ $FC2C
+SCBADRH     @ $FC2D
+PROCADRL    @ $FC2E
+PROCADRH    @ $FC2F
+
+; Suzy Math
+
+MATHD       @ $FC52
+MATHC       @ $FC53
+MATHB       @ $FC54
+MATHA       @ $FC55
+MATHP       @ $FC56
+MATHN       @ $FC57
+MATHH       @ $FC60
+MATHG       @ $FC61
+MATHF       @ $FC62
+MATHE       @ $FC63
+MATHM       @ $FC6C
+MATHL       @ $FC6D
+MATHK       @ $FC6E
+MATHJ       @ $FC6F
+
+; Suzy Misc
+
+SPRCTL0     @ $FC80
+SPRCTL1     @ $FC81
+SPRCOLL     @ $FC82
+SPRINIT     @ $FC83
+SUZYHREV    @ $FC88
+SUZYSREV    @ $FC89
+SUZYBUSEN   @ $FC90
+SPRGO       @ $FC91
+SPRSYS      @ $FC92
+JOYSTICK    @ $FCB0
+SWITCHES    @ $FCB1
+RCART0      @ $FCB2
+RCART1      @ $FCB3
+LEDS        @ $FCC0
+PARSTATUS   @ $FCC2
+PARDATA     @ $FCC3
+HOWIE       @ $FCC4
+
+
+;
+; *** Mikey Addresses ***
+;
+
+; Mikey Timers
+
+TIMER0      @ $FD00
+TIMER1      @ $FD04
+TIMER2      @ $FD08
+TIMER3      @ $FD0C
+TIMER4      @ $FD10
+TIMER5      @ $FD14
+TIMER6      @ $FD18
+TIMER7      @ $FD1C
+HTIMER      @ $FD00             ;horizontal line timer (timer 0)
+VTIMER      @ $FD08             ;vertical blank timer (timer 2)
+STIMER      @ $FD1C             ;sound timer (timer 7)
+
+HTIMBKUP    @ $FD00             ;horizontal line timer (timer 0)
+HTIMCTLA    @ $FD01
+HTIMCNT     @ $FD02
+HTIMCTLB    @ $FD03
+VTIMBKUP    @ $FD08             ;vertical blank timer (timer 2)
+VTIMCTLA    @ $FD09
+VTIMCNT     @ $FD0A
+VTIMCTLB    @ $FD0B
+BAUDBKUP    @ $FD10             ;serial timer (timer 4)
+STIMBKUP    @ $FD1C             ;sound timer (timer 7)
+STIMCTLA    @ $FD1D
+STIMCNT     @ $FD1E
+STIMCTLB    @ $FD1F
+
+TIM0BKUP    @ $FD00
+TIM0CTLA    @ $FD01
+TIM0CNT     @ $FD02
+TIM0CTLB    @ $FD03
+TIM1BKUP    @ $FD04
+TIM1CTLA    @ $FD05
+TIM1CNT     @ $FD06
+TIM1CTLB    @ $FD07
+TIM2BKUP    @ $FD08
+TIM2CTLA    @ $FD09
+TIM2CNT     @ $FD0A
+TIM2CTLB    @ $FD0B
+TIM3BKUP    @ $FD0C
+TIM3CTLA    @ $FD0D
+TIM3CNT     @ $FD0E
+TIM3CTLB    @ $FD0F
+TIM4BKUP    @ $FD10
+TIM4CTLA    @ $FD11
+TIM4CNT     @ $FD12
+TIM4CTLB    @ $FD13
+TIM5BKUP    @ $FD14
+TIM5CTLA    @ $FD15
+TIM5CNT     @ $FD16
+TIM5CTLB    @ $FD17
+TIM6BKUP    @ $FD18
+TIM6CTLA    @ $FD19
+TIM6CNT     @ $FD1A
+TIM6CTLB    @ $FD1B
+TIM7BKUP    @ $FD1C
+TIM7CTLA    @ $FD1D
+TIM7CNT     @ $FD1E
+TIM7CTLB    @ $FD1F
+
+; Mikey Audio
+
+AUDIO0      @ $FD20             ;audio channel 0
+AUDIO1      @ $FD28             ;audio channel 1
+AUDIO2      @ $FD30             ;audio channel 2
+AUDIO3      @ $FD38             ;audio channel 3
+
+AUD0VOL     @ $FD20
+AUD0FEED    @ $FD21
+AUD0OUT     @ $FD22
+AUD0SHIFT   @ $FD23
+AUD0BKUP    @ $FD24
+AUD0CTLA    @ $FD25
+AUD0CNT     @ $FD26
+AUD0CTLB    @ $FD27
+AUD1VOL     @ $FD28
+AUD1FEED    @ $FD29
+AUD1OUT     @ $FD2A
+AUD1SHIFT   @ $FD2B
+AUD1BKUP    @ $FD2C
+AUD1CTLA    @ $FD2D
+AUD1CNT     @ $FD2E
+AUD1CTLB    @ $FD2F
+AUD2VOL     @ $FD30
+AUD2FEED    @ $FD31
+AUD2OUT     @ $FD32
+AUD2SHIFT   @ $FD33
+AUD2BKUP    @ $FD34
+AUD2CTLA    @ $FD35
+AUD2CNT     @ $FD36
+AUD2CTLB    @ $FD37
+AUD3VOL     @ $FD38
+AUD3FEED    @ $FD39
+AUD3OUT     @ $FD3A
+AUD3SHIFT   @ $FD3B
+AUD3BKUP    @ $FD3C
+AUD3CTLA    @ $FD3D
+AUD3CNT     @ $FD3E
+AUD3CTLB    @ $FD3F
+MSTEREO     @ $FD50
+
+; Mikey Misc
+
+; Interrupt bits in INTRST and INTSET
+TIMER0_INTERRUPT = $01
+TIMER1_INTERRUPT = $02
+TIMER2_INTERRUPT = $04
+TIMER3_INTERRUPT = $08
+TIMER4_INTERRUPT = $10
+TIMER5_INTERRUPT = $20
+TIMER6_INTERRUPT = $40
+TIMER7_INTERRUPT = $80
+
+HBL_INTERRUPT = $01     ;TIMER0_INTERRUPT
+VBL_INTERRUPT = $04     ;TIMER2_INTERRUPT
+SERIAL_INTERRUPT = $10  ;TIMER4_INTERRUPT
+SND_INTERRUPT = $80     ;TIMER7_INTERRUPT
+
+INTRST      @ $FD80
+INTSET      @ $FD81
+MAGRDY0     @ $FD84
+MAGRDY1     @ $FD85
+AUDIN       @ $FD86
+SYSCTL1     @ $FD87
+MIKEYHREV   @ $FD88
+MIKEYSREV   @ $FD89
+IODIR       @ $FD8A
+IODAT       @ $FD8B
+TxIntEnable = %10000000
+RxIntEnable = %01000000
+TxParEnable = %00010000
+ResetErr    = %00001000
+TxOpenColl  = %00000100
+TxBreak     = %00000010
+ParEven     = %00000001
+TxReady     = %10000000
+RxReady     = %01000000
+TxEmpty     = %00100000
+RxParityErr = %00010000
+RxOverrun   = %00001000
+RxFrameErr  = %00000100
+RxBreak     = %00000010
+ParityBit   = %00000001
+SERCTL      @ $FD8C
+SERDAT      @ $FD8D
+SDONEACK    @ $FD90
+CPUSLEEP    @ $FD91
+DISPCTL     @ $FD92
+PBKUP       @ $FD93
+DISPADRL    @ $FD94
+DISPADRH    @ $FD95
+MTEST0      @ $FD9C
+MTEST1      @ $FD9D
+MTEST2      @ $FD9E
+PALETTE     @ $FDA0                 ;hardware rgb palette
+GCOLMAP     @ $FDA0                 ;hardware rgb palette (green)
+RBCOLMAP    @ $FDB0                 ;hardware rgb palette (red-blue)
+
+
+;
+; *** Misc Hardware + 6502 vectors ***
+;
+
+MAPCTL      @ $FFF9
+VECTORS     @ $FFFB
+INTVECTL    @ $FFFE
+INTVECTH    @ $FFFF
+RSTVECTL    @ $FFFC
+RSTVECTH    @ $FFFD
+NMIVECTL    @ $FFFA
+NMIVECTH    @ $FFFB
diff --git a/SourceGen/RuntimeData/SystemDefs.json b/SourceGen/RuntimeData/SystemDefs.json
index b95ae58..8249775 100644
--- a/SourceGen/RuntimeData/SystemDefs.json
+++ b/SourceGen/RuntimeData/SystemDefs.json
@@ -141,8 +141,9 @@
       "GroupName" : "Atari",
       "Cpu" : "65SC02",
       "Speed" : "4",
-      "Description" : "Atari Lynx [placeholder].",
+      "Description" : "Atari Lynx handheld game console.",
       "SymbolFiles" : [
+        "RT:Atari/Lynx.sym65"
       ],
       "ExtensionScripts" : [
       ],